Worldwide spending on cancer medicines reached US$100 billion in 2014, an increase of 10.3 percent from 2013 and up from US$75 billion five years earlier, according to IMS Health’s Global Oncology Trend Report. REUTERS: Worldwide spending on cancer medicines reached US$100 billion in 2014, an increase of 10.3 percent from 2013 and up from US$75 billion five years earlier, according to IMS Health’s Global Oncology Trend Report released on Tuesday .